etching time

The Effect of Different Phosphoric Acid-etching Times on Microtensile Bond Strength of Sealant on Different Enamel Substrates

Jaikumpun Pongsiri , Kiattang Keerati , Sangsue Tawan, Lerdbutsayanukool Tuangrat , Sadang Wuttapon , Jaikwang Panomkorn , Fusang Krittaphat , Thainimit Issarapong , Pipatphatsakorn Mayurach